F_VN_BoxFilterExp

Syntax

Definition:

FUNCTION F_VN_BoxFilterExp : HRESULT
VAR_INPUT
    ipSrcImage    : ITcVnImage;
    ipDestImage   : Reference To  ITcVnImage;
    nFilterWidth  : UDINT;
    nFilterHeight : UDINT;
    eDestDepth    : ETcVnElementType;
END_VAR
VAR_IN_OUT
    aAnchor       : TcVnPoint;
END_VAR
VAR_INPUT
    bNormalize    : BOOL;
    eBorderType   : ETcVnBorderInterpolationMethod;
    hrPrev        : HRESULT;
END_VAR

Inputs

Name	Type	Description
ipSrcImage	ITcVnImage	Source image
ipDestImage	Reference To ITcVnImage	Destination image (An appropriate destination image will be created if required.)
nFilterWidth	UDINT	Filter width in pixels
nFilterHeight	UDINT	Filter height in pixels
eDestDepth	ETcVnElementType	Destination image depth
bNormalize	BOOL	If true, the kernel is normalized by nFilterWidth * nFilterHeight
eBorderType	ETcVnBorderInterpolationMethod	Image border handling
hrPrev	HRESULT	HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)

In/Outputs

Name	Type	Description
aAnchor	TcVnPoint	Anchor point of the kernel ([-1, -1] for center)

Return value

HRESULT

Required License

TC3 Vision Base

System Requirements

Development environment	Target platform	PLC libraries to include
TwinCAT V3.1.4024.54 or later	PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU	Tc3_Vision